BBK 3 Piece Aluminum Pulley Kit - 97-03 Ford 4.6/5.4L 337008 one cover is solid without

one cover is solid without holes and one cover includes two fully welded

1984-1987 GMC Caballero

(1) AN-08 to (2) AN-08 Male Flare Y-Block

EZ Mount Bracket / Pressure Sensor / Wireless Controls

Less expensive than OE models

BBK 3 Piece Aluminum Pulley Kit - 97-03 Ford 4.6/5.4L 337008 one cover is solid withoutInstall a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet